Offseason
- November 20, 1988: Dennis Lamp was signed as a Free Agent with the Boston Red Sox.
- December 8, 1988: Spike Owen was traded by the Boston Red Sox with Dan Gakeler to the Montreal Expos for John Dopson and Luis Rivera.
- February 6, 1989: Danny Heep signed as a Free Agent with the Boston Red Sox.
Read more about this topic: 1989 Boston Red Sox Season